1)
I 9111
139. Which of the following equations corresponds to
the enthalpy of combustion at 298 K:-
(1) C_H(g) + 7/2 0,(9) ► 200,(g) + 3H2O(g)
(2) 2C,H2(g) + 7 O2(g) → 4CO2(g) + 6H2O(g)
(3) C2H2(g) + 7/20,(9) ► 200,(g) + 3H2O(l)
(4) 2C,H,(g) + 702(g) →400,(g) + 6H2O(l)
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Answer:
option number 3
Explanation:
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